+#!/bin/bash
+#
+# Copyright (C) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+#
+# SPDX-License-Identifier: LGPL-2.1-only
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../../
+
+TMPDIR=$(mktemp -d)
+
+#This is needed since the testpoint create a pipe with the consumerd type suffixed
+TESTPOINT_BASE_PATH=$(readlink -f "$TMPDIR/lttng.t_p_n")
+TESTPOINT_PIPE_PATH=$(mktemp -u "${TESTPOINT_BASE_PATH}.XXXXXX")
+TESTPOINT=$(readlink -f ${CURDIR}/.libs/libpause_consumer.so)
+
+
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+TESTAPP_STATE_PATH=$(mktemp -u "$TMPDIR/application_state.XXXXXXXXXX")
+
+SYSCALL_TESTAPP_NAME="gen-syscall-events"
+SYSCALL_TESTAPP_BIN="$TESTAPP_PATH/$SYSCALL_TESTAPP_NAME/$SYSCALL_TESTAPP_NAME"
+
+USERSPACE_PROBE_ELF_TESTAPP_NAME="userspace-probe-elf-binary"
+USERSPACE_PROBE_ELF_TESTAPP_BIN="$TESTAPP_PATH/$USERSPACE_PROBE_ELF_TESTAPP_NAME/.libs/$USERSPACE_PROBE_ELF_TESTAPP_NAME"
+
+SESSION_NAME="my_session"
+CHANNEL_NAME="my_channel"
+
+TRACE_PATH=$(mktemp -d)
+PAGE_SIZE=$(getconf PAGE_SIZE)
+
+DIR=$(readlink -f $TESTDIR)
+NUM_TESTS=104
+
+source $TESTDIR/utils/utils.sh
+
+function kernel_event_generator_toggle_state
+{
+ kernel_event_generator_suspended=$((kernel_event_generator_suspended==0))
+}
+
+function generate_filter_events
+{
+ /bin/echo -n "10" > /proc/lttng-test-filter-event 2> /dev/null
+}
+
+function generate_syscalls
+{
+ # Pass /dev/null so to generate the syscall right away.
+ $SYSCALL_TESTAPP_BIN /dev/null
+}
+
+function userspace_probe_testapp
+{
+ $USERSPACE_PROBE_ELF_TESTAPP_BIN
+}
+
+function kernel_event_generator
+{
+ command_to_run=$1
+ state_file=$2
+ kernel_event_generator_suspended=0
+ trap kernel_event_generator_toggle_state SIGUSR1
+
+ while (true); do
+ if [[ $kernel_event_generator_suspended -eq "1" ]]; then
+ touch $state_file
+ sleep 0.5
+ else
+ if [[ -f $state_file ]]; then
+ rm $state_file 2> /dev/null
+ fi
+ $command_to_run
+ fi
+ done
+}
+
+function test_kernel_syscall_notification
+{
+ kernel_event_generator generate_syscalls $TESTAPP_STATE_PATH &
+ APP_PID=$!
+
+ $CURDIR/notification 5 LTTNG_DOMAIN_KERNEL $APP_PID $TESTAPP_STATE_PATH
+
+ kill -9 $APP_PID
+ wait $APP_PID 2> /dev/null
+}
+
+if [ "$(id -u)" == "0" ]; then
+ consumerd_pipe=()
+
+ validate_lttng_modules_present
+
+ # This is needed since the testpoint create a pipe with the consumer
+ # type suffixed.
+ for f in "$TESTPOINT_BASE_PATH"*; do
+ consumerd_pipe+=("$f")
+ done
+
+ modprobe lttng-test
+
+ LTTNG_SESSIOND_ENV_VARS="LTTNG_TESTPOINT_ENABLE=1 \
+ CONSUMER_PAUSE_PIPE_PATH=${TESTPOINT_PIPE_PATH} \
+ LD_PRELOAD=${TESTPOINT}"
+
+ start_lttng_sessiond_notap
+
+ test_kernel_syscall_notification
+
+ stop_lttng_sessiond_notap
+ rmmod lttng-test
+
+ rm -rf ${consumerd_pipe[@]} 2> /dev/null
+else
+ # Kernel tests are skipped.
+ plan_tests $NUM_TESTS
+ skip 0 "Root access is needed. Skipping all kernel notification tests." $NUM_TESTS
+fi
+
+# Just in case cleanup
+rm -rf $TRACE_PATH
+rm -rf $TMPDIR